Because they are an accessible population, undergraduate students are sometimes used in sociological research. in relation to the concept of generalizability, this tendency could represent a potential defect in research because
a. college undergraduates do not have the right to refuse without suffering negative consequences.
b. the experiences of college undergraduates do not provide a legitimate empirical resource.
c. college undergraduates are not a subset of the general population.
d. college undergraduates are not typical of the public at large.

D. college undergraduates are not typical of the public at large.

Explanation:

Social-level research needs to be done with people who have characteristics common to society, so that the research results can be as similar as possible to today's society. College students are generally very positive about research, so these students are very likely to participate in research, but this is a problem, as college students do not represent general characteristics of society as they live in a academic environment that is very different from the real world and influences its characteristics and habits.

a) which ethnic groups live in this community?

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